论文标题
对ALP结轴发生的轴突耦合的预测
Predictions for Axion Couplings from ALP Cogenesis
论文作者
论文摘要
在早期宇宙中以磁场速度添加轴突状粒子（ALP），同时解释了观察到的重子和暗物质密度。这需要在ALP和光子，核子和/或电子之间进行一个或多个耦合，这些耦合被预测为ALP质量的功能。这些预测之所以出现，是因为暗物质与重子密度的比率独立于ALP场速度，从而允许ALP质量，$ M_A $与衰减常数（$ f_a $）之间的相关性。预测的耦合的数量级比QCD轴轴的数量级和传统ALP未对准机制的暗物质大。结果，该方案（ALP Cogogenese）在实验室和恒星对象以及暗物质的未来实验ALP搜索范围内。
Adding an axion-like particle (ALP) to the Standard Model, with a field velocity in the early universe, simultaneously explains the observed baryon and dark matter densities. This requires one or more couplings between the ALP and photons, nucleons, and/or electrons that are predicted as functions of the ALP mass. These predictions arise because the ratio of dark matter to baryon densities is independent of the ALP field velocity, allowing a correlation between the ALP mass, $m_a$, and decay constant, $f_a$. The predicted couplings are orders of magnitude larger than those for the QCD axion and for dark matter from the conventional ALP misalignment mechanism. As a result, this scheme, ALP cogenesis, is within reach of future experimental ALP searches from the lab and stellar objects, and for dark matter.
